Synonyms|572Antonyms|111|Broader|6Narrower|1Related|510

136 entries under alert topic. ×

2
on your guard(expression, adjective, idiom, aware)
2
percipient(adjective, understanding, cool, keen, sensible)
2
quick(adjective, understanding, cool, sharp, bright)
2
suspicious(adjective, restrained, careful, hesitant)
2
understanding(adjective, keen, sensible, certain)
2
with it(expression, understanding, keen, sharp, bright)
1
apperceptive(adjective, understanding, keen, sensible, certain)
1
apprised(adjective, understanding, keen, sensible, certain)
1
assured(adjective, understanding, keen, sensible, certain)
1
au courant(expression, adjective, understanding, keen, sensible)
1
brilliant(adjective, cool, significant, intelligent)
1
certain(adjective, understanding, keen, sensible)
1
clear-sighted(intelligent, attentive, watchful, sharp-eyed)
1
comprehending(intelligent, attentive, watchful, sharp-eyed)
1
contemplating(intelligent, attentive, watchful, sharp-eyed)
1
cool(adjective, deliberate, significant, intelligent)
1
correct(intelligent, attentive, watchful, sharp-eyed)
1
deducing(intelligent, attentive, watchful, sharp-eyed)
1
deliberate(adjective, cool, complete, total)
1
detecting(intelligent, attentive, watchful, sharp-eyed)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>